Migration SDK15 -> SDK16, BLE issue.

[Vincent YII]

Hi everyone,

I'm working on a BLE application using nRF52840. This application actually run with nRF SDK15 and we need to upgrade it to SDK16.

I followed Migration guide and ble_peripheral/ble_app_template example, nothing more.

Now I can run my App (no issue when I build it and start execution) but when I use nRF Connect on my phone i can't see my device.

My phone is both compatible Bluetooth 4 and 5 so I have no idea where this problem has come from.

If someone have any idea it will be helpfull.

As it certainly useful, I can provide more information.

Thanks in advance.

Vincent YII.

[run_ar]

Hi,

Did you make sure you completely deleted the bonding information on both the nRF52 and on the Phone? If this does not help, could you try to capture a sniffer trace to check if the rf52 is advertising and if the phone is trying to connect? Thanks.

[Vincent YII]

Hi,

Thank you for your answer.

You make me realize, I forgot to specify that my application is not bonding and I tested it with several boards so I assume this is not the solution.

Furthermore, when I tried to understand this issue (simply with adding log in every function and ret_code) everything is going fine. This is pretty strange for me.

I will try to capture a sniffer trace as you advise me. Is there a specific tool you can recommend to me ?

Vincent YII.

[run_ar]

You could use this sniffer: https://www.nordicsemi.com/Software-and-tools/Development-Tools/nRF-Sniffer-for-Bluetooth-LE

Documentation here: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_sniffer_ble%2FUG%2Fsniffer_ble%2Fintro.html